❶ How does process of ⠀pollination is differ from that ⠀of fertilization ?
❷ Write in brief about the post fertilization changes taking place in a flower.
❸ Explain the different methods of vegetative reproduction in plant .
❹ Explain the various changes taking place in the utary wall during fertilization .
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Answer:
1. The difference between pollination and fertilization
Pollination is the transfer of pollen grains from an anther to a stigma.
Fertilization occurs once the pollen grain reaches the stigma, it produces a pollen tube, which grows down through the style to the ovary.
2.The sepal, petal and stamen of the flower withers and fall off only pistil remains attached to the plant.
2)The ovules develop into the seed.
3)The zygote develops into the embryo.
3. Vegetative propagation methods include:
• rooting of cuttings,
• layering or marcotting,
• grafting, • micropropagation. Propagation is the natural mechanism by which plants regenerate. Propagation by seeds is the main method by which plants reproduce in nature.
Explanation:
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